比較級・最上級： tall - tall - the tallest（＝高い） short - shorter - the shotest（＝低い、短い） long - longer - the longest（＝長い） much（比較級を強める＝ずっと）、of all（＝みなの中で）、 very（原級を強める＝とても）、as ～ as（＝同じほど～）
「ケンは背が高い。」（日本文は下にまとめました） Ken is tall. Ken is very tall. Ken is as tall as Tom. Ken is taller than Tom. Ken is much taller than Tom. Who is taller, Ken or Tom? Ken is. Ken is the tallest boy in his class. Who is the tallest boy in his class? Ken is. Ken is taller than any other boy in his class. No othe boy in his class is taller than Ken.